Home / 41,400.43-62,081.61-13,315.30

Finding the Fourth Proportional to 41,400.43, 62,081.61 and 13,315.30

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Solution

The fourth proportional to 41,400.43, 62,081.61 and 13,315.30 is: 19,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,400.43 : 62,081.61 = 13,315.30 : x
  2. Step 2: Convert to fraction form
    41,400.43/62,081.61 = 13,315.30/x
  3. Step 3: Cross multiply
    41,400.43x = 62,081.61 × 13,315.30
  4. Step 4: Simplify right side
    41,400.43x = 826,635,261.63
  5. Step 5: Solve for x
    x = 826,635,261.63/41,400.43
  6. Step 6: Final answer
    x = 19,966.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.